diff --git a/overlays/patches/ghc/ghc-8.10.7-darwin-armv8.patch b/overlays/patches/ghc/ghc-8.10.7-darwin-armv8.patch
index c70e559fd5..2acb2f0527 100644
--- a/overlays/patches/ghc/ghc-8.10.7-darwin-armv8.patch
+++ b/overlays/patches/ghc/ghc-8.10.7-darwin-armv8.patch
@@ -7,7 +7,7 @@ index ef5fc7b..0d1b3bd 100644
  rts_CC_OPTS += -fno-common
 
 +ifeq "$(TargetArch_CPP)-$(TargetOS_CPP)" "aarch64-darwin"
-+rts_CC_OPTS += -mcpu=apple-a7
++rts_CC_OPTS += -mcpu=apple-a7 -march=armv8-a
 +endif
 +
  ifeq "$(BeConservative)" "YES"